13.6 sec in total
572 ms
12.3 sec
789 ms
Welcome to serui-battery.com homepage info - get ready to check SER Ui Battery best content right away, or after learning these important things about serui-battery.com
Apart from custom Lipo battery and Ultra thin battery,SER is also an expert in producing LiSOCL2 battery,3.0V lithium battery,LiFePO4 batteries and Portable power station batteries
Visit serui-battery.comWe analyzed Serui-battery.com page load time and found that the first response time was 572 ms and then it took 13 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
serui-battery.com performance score
name
value
score
weighting
Value6.1 s
3/100
10%
Value13.1 s
0/100
25%
Value12.1 s
4/100
10%
Value4,100 ms
1/100
30%
Value0.245
51/100
15%
Value13.6 s
11/100
10%
572 ms
487 ms
250 ms
474 ms
638 ms
Our browser made a total of 121 requests to load all elements on the main page. We found that 98% of them (119 requests) were addressed to the original Serui-battery.com, 1% (1 request) were made to Sdk.51.la and 1% (1 request) were made to Collect-v6.51.la. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain Serui-battery.com.
Page size can be reduced by 473.0 kB (41%)
1.2 MB
682.3 kB
In fact, the total size of Serui-battery.com main page is 1.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Javascripts take 532.7 kB which makes up the majority of the site volume.
Potential reduce by 94.3 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 16.9 kB, which is 16% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 94.3 kB or 87% of the original size.
Potential reduce by 4.5 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. SER Ui Battery images are well optimized though.
Potential reduce by 371.5 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 371.5 kB or 70% of the original size.
Potential reduce by 2.7 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Serui-battery.com has all CSS files already compressed.
Number of requests can be reduced by 22 (19%)
116
94
The browser has sent 116 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SER Ui Battery. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
serui-battery.com
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serui-battery.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Image elements do not have [alt] attributes
Links do not have a discernible name
serui-battery.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
serui-battery.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Serui-battery.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Serui-battery.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
serui-battery.com
Open Graph description is not detected on the main page of SER Ui Battery. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: